March 1, 2024
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Ville Platte planned outage and BWA Monday Feb 12
Pearl River flooding over near Bogalusa

Water news for Sunday, February 11, 2024 - 647 am CST

Drinking Water Matters
Ville Platte has announced a BWA upcoming for all customers next week. The water tower is to be drained and refilled on Monday February 12. Following the resumption of water service, a BWA will be in effect until potable water testing confirms the system clear of microbiological contamination.

Flood Update from USGS real-time streamflow monitoring stations throughout Louisiana

Pearl River flow is under flood stage near Bogalusa since Saturday evening around 7 pm. The water level measured here shows a steady decline, currently a foot below flood stage expected out of action stage today.

In Region 1, Bayou Dorcheat flow spike upward overnight with rain in the upstream drainage basin. Flow level measured near Springhill is half a foot higher than our last report. Bayou Bodcau also picked up a higher level overnight, currently running eight feet nine inches above flood stage near Shreveport.

Watershed Region 4 Sabine River is in a holding pattern, exactly six inches over flood stage near Ruliff, TX.

Pearl River came down all day Saturday and overnight, losing two and a half feet in 24 hours. Flooding ended Saturday at 7 pm, flow is a foot below flood stage and still receding Sunday morning. Downstream at Pearl River, the water level came down around half a foot overnight, still flowing a foot and a half over flood stage.

Check black tags on the map for flood levels, provisional data courtesy of the USGS streamflow sensors placed into LA rivers, bogues and bayous.

Drought Map from USGS 7-day average streamflows compared to historic averages
Louisiana drought map remains blank since Sunday, Jan 28.

HAB Update from National Centers for Coastal Ocean Science
The latest sat photo from NCCOS was taken yesterday, Feb 10 at wind speed 4 mph. This image is completely cloud covered. Another recent image taken Feb 9 at 5.8 mph is a clear view.

Lake Pontchartrain, Lake Maurepas, Lac des Allemands, Bayou Fortier, Lake Cataouache, Lake Salvador appear HAB-free. Lake Lery appears as earlier in the week with widespread HAB in the east end 800 to 900 thousand cells per 100 ml.

Note WaterToday reports day-to-day changes recorded by USGS streamflow monitors on rivers and tributaries located in Louisiana, along with monitors upstream in the Mississippi River basin: Ohio, Georgia and southwest New York state. USGS creates a drought map from 7-day average streamflow readings, by comparing the average with the historic weekly normal flow value for each location. The drought ratings are below normal, moderate hydrologic drought, severe drought and extreme drought.

USGS Provisional Data Statement
Data are provisional and subject to revision until they have been thoroughly reviewed and received final approval. Current condition data relayed by satellite or other telemetry are automatically screened to not display improbable values until they can be verified.
Provisional data may be inaccurate due to instrument malfunctions or physical changes at the measurement site. Subsequent review based on field inspections and measurements may result in significant revisions to the data.
Data users are cautioned to consider carefully the provisional nature of the information before using it for decisions that concern personal or public safety or the conduct of business that involves substantial monetary or operational consequences. Information concerning the accuracy and appropriate uses of these data or concerning other hydrologic data may be obtained from the USGS.

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